Polk Audio 8-inch Two-Way Surround in Ceiling RT Series Speaker – 80F/X-RT


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Just like Matthew Polk’s Signature Reference Theater (SRT) system, the components used in the RT Series benefit from Dynamic Balance, a technology which came out of a joint research project between Polk Audio and Johns Hopkins University. This laser imaging research enabled Polk to view on a microscopic level the entire vibrating surface of a driver or tweeter. By this method Polk was able to observe the resonances, which develop on speaker cones as they move. These resonances are the root cause of frequency response distortions. As an x-ray enables a physician to discover the root cause of a

  • Specifications –
  • Shape – Round
  • Driver Complement – (2) 3/4 silk/polymer tweeters, 8 composite polymer driver
  • Overall Frequency Response – 35 Hz – 27 kHz
  • Lower/Upper -3 dB limit – 50 Hz – 25 kHz

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Polk Audio 8-inch Two-Way Surround in Ceiling RT Series Speaker - 80F/X-RT

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Polk Audio 8-inch Two-Way Surround in Ceiling RT Series Speaker - 80F/X-RT